Fluorescent Minerals glow with spectacular colors under ultraviolet light.
Quartz is the most abundant mineral in the crust. It has many useful properties.
||What Are Minerals?
Minerals are the building blocks of our society. We use items made with them every day.
The Streak Test is a method to determine the color of a mineral in powdered form.
|Diamond: The Mineral
Diamond is a mineral with unique properties and many gem and industrial uses!
Diopside - Gem material, ornamental stone, diamond indicator, industrial mineral.
Hand Lens A 10-power folding magnifier in a metal case. A frequently used lab and field tool.
Topaz is a mineral best known as a durable gemstone and its use in Mohs Hardness Scale.
Mohs Hardness Scale is a set of reference minerals used for classroom hardness testing.
Mineral Identification Chart Printable mineral ID chart by Art Crossman in MS Excel format.
Find Minerals and Gems Dozens of sites where you can dig and keep what you find.
||Diamonds from Coal?
Diamonds Do Not Form From Coal That is one of the biggest misconceptions in science.
Ilmenite - The primary ore of titanium and source of most titanium dioxide.
Calcite is a carbonate mineral with industrial, agricultural, medical and many other uses.
United States Gemstones Small mines in the U.S. produce a diversity of gemstones.
Chalcopyrite - The most important ore of copper for over five thousand years.
|Tucson Mineral Show
Tucson Gem & Mineral Show Photos from the largest gem and mineral show.
Hardness Picks - Mohs hardness testing with precise and easy-to-use hardness picks.
Serpentine - metamorphic rocks used in construction, architecture and lapidary work.
Herkimer Diamonds Doubly-terminated quartz crystals used as specimens and gems.
|Is Water a Mineral?
Are Water and Ice Minerals? Comparing their properties with the definition of a mineral.
||Uses of Gold
Gold has unique properties that make it one of the most useful minerals.
Garnet is best known as a red gemstone. It occurs in any color and has many industrial uses.
Mineraloids are amorphous naturally-occurring inorganic solids that lack crystallinity.
Azurite - Used as an ore of copper, a pigment, ornamental stone and gem material.
Rhodochrosite : a manganese mineral used as an ore, a pink gem and an ornamental stone.
Spodumene is a pegmatite mineral, an ore of lithium and sometimes a gemstone.
||Rare Earth Elements
Rare Earth Elements are used in cell phones, DVDs, batteries, magnets & many other products.
|Rock and Mineral Kits
Rock, Mineral and Fossil Collections. Nice kits for personal or classroom use.
||The Acid Test
The Acid Test Geologists use dilute hydrochloric acid to identify carbonate minerals.
Kyanite a metamorphic mineral that most often forms from clay-rich sedimentary rocks.
Benitoite Discovery and geology of the State Gem of California - USGS report from 1911.
Hematite - the most important source of iron ore and mineral pigment since prehistory.
Minerals in Colored Glass - Minerals are what produce the color in colored glass.
Corundum is the third hardest mineral. It is also the mineral of ruby and sapphire.
Rhodonite - a manganese silicate used as a minor ore of manganese and as a gemstone.
|Uses of Silver
Uses of Silver Most people think of jewelry and coins, but silver\'s primary use is industrial.
||Denver Mineral Show
Denver Gem and Mineral Show Photos and comments about this incredible annual show.
Abandoned Mine Accidents kill 20 to 30 per year. Education can prevent many of them.
Olivine Rain Spitzer Telescope discovered a rain of olivine crystals on protostar HOPS-68.
Cinnabar - the only important ore of mercury. Used as a pigment until its toxicity was realized.
||Fireworks & Minerals
The Science of Fireworks Their shapes and colors are produced through chemistry, physics & art.
How Do Snowflakes Form? They start as tiny crystals. Some grow on the way down.
Triboluminescence is flash produced when a mineral is rubbed, scratched or broken.
Limonite - an amorphous iron oxide. An ore of iron and a pigment since prehistory.